WDPN31 PGTW 070300 1. FOR METEOROLOGISTS. 2. PROGNOSTIC REASONING FOR 070000Z7 TO 090000Z9 NOV 02. A. TROPICAL STORM (TS) 03C (HUKO), LOCATED APPROXIMATELY 580 NM WEST OF MIDWAY ISLAND, HAS TRACKED EASTWARD AT 25 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 062330Z4 MULTI- SPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED 0N SATELLITE CURRENT INTENSITY ESTIMATES OF 35 AND 45 KNOTS. ANIMATED SATELLITE IMAGERY INDICATES THAT THE SYSTEM HAS NEARLY COMPLETED EXTRATROPICAL TRANSITION. B. TS 03C IS FORECAST TO QUICKLY TRACK EAST-NORTHEASTWARD AS IT COMPLETES EXTRATROPICAL TRANSITION WITHIN THE NEXT 6 TO 12 HOURS. AVAILABLE DYNAMIC AIDS CONSISTING OF NOGAPS, GFDN, THE JAPANESE TYPHOON (JTYM) MODEL, AND UKMET (EGRR) ARE IN GOOD AGREEMENT WITH THIS SCENARIO. JTYM AND EGRR ARE THE ONLY AIDS THAT RESOLVE A SYSTEM PAST 24 HOURS. THEREFORE, OUR EARLY FORECAST TRACK IS BASED ON A BLEND OF ALL AVAILABLE DYNAMIC AIDS, WHILE THE FINAL TWO POSITIONS ARE A BLEND OF JTYM AND EGRR. C. TS 03C IS EXPECTED TO SLOWLY WEAKEN AS IT MERGES WITH THE BOUNDARY AND ENCOUNTERS UNFAVORABLE VERTICAL WIND SHEAR. D. CURRENT WIND RADII ARE BASED ON AN ANALYSIS OF SATELLITE IMAGERY. EXTRATROPICAL POSITIONS DO NOT MEET WIND RADII CRITERIA. 3. FORECAST TEAM: VILPORS/DANIEL/RONSSE/SCHAEFER/EDBERG//